Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.3 A 0.6 A None of these 0.2 A 0.4 A 0.3 A 0.6 A None of these 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the None of these Forward voltage Breakdown voltage Applied voltage Barrier potential None of these Forward voltage Breakdown voltage Applied voltage Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Load resistance Open-load resistance None of these Half the load resistance Internal resistance of a Morton circuit Load resistance Open-load resistance None of these Half the load resistance Internal resistance of a Morton circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Open the load resistor Open the voltage source Short the load resistor None of these Short the voltage source Open the load resistor Open the voltage source Short the load resistor None of these Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -6 -3 2 None of these -6 -3 2 None of these ANSWER DOWNLOAD EXAMIANS APP
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